fm801.c revision 70291
1/*
2 * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/dev/sound/pci/fm801.c 70291 2000-12-23 03:16:13Z cg $
27 */
28
29#include <dev/sound/pcm/sound.h>
30#include <dev/sound/pcm/ac97.h>
31#include <pci/pcireg.h>
32#include <pci/pcivar.h>
33
34#define PCI_VENDOR_FORTEMEDIA	0x1319
35#define PCI_DEVICE_FORTEMEDIA1	0x08011319
36#define PCI_DEVICE_FORTEMEDIA2	0x08021319	/* ??? have no idea what's this... */
37
38#define FM_PCM_VOLUME           0x00
39#define FM_FM_VOLUME            0x02
40#define FM_I2S_VOLUME           0x04
41#define FM_RECORD_SOURCE        0x06
42
43#define FM_PLAY_CTL             0x08
44#define  FM_PLAY_RATE_MASK              0x0f00
45#define  FM_PLAY_BUF1_LAST              0x0001
46#define  FM_PLAY_BUF2_LAST              0x0002
47#define  FM_PLAY_START                  0x0020
48#define  FM_PLAY_PAUSE                  0x0040
49#define  FM_PLAY_STOPNOW                0x0080
50#define  FM_PLAY_16BIT                  0x4000
51#define  FM_PLAY_STEREO                 0x8000
52
53#define FM_PLAY_DMALEN          0x0a
54#define FM_PLAY_DMABUF1         0x0c
55#define FM_PLAY_DMABUF2         0x10
56
57
58#define FM_REC_CTL              0x14
59#define  FM_REC_RATE_MASK               0x0f00
60#define  FM_REC_BUF1_LAST               0x0001
61#define  FM_REC_BUF2_LAST               0x0002
62#define  FM_REC_START                   0x0020
63#define  FM_REC_PAUSE                   0x0040
64#define  FM_REC_STOPNOW                 0x0080
65#define  FM_REC_16BIT                   0x4000
66#define  FM_REC_STEREO                  0x8000
67
68
69#define FM_REC_DMALEN           0x16
70#define FM_REC_DMABUF1          0x18
71#define FM_REC_DMABUF2          0x1c
72
73#define FM_CODEC_CTL            0x22
74#define FM_VOLUME               0x26
75#define  FM_VOLUME_MUTE                 0x8000
76
77#define FM_CODEC_CMD            0x2a
78#define  FM_CODEC_CMD_READ              0x0080
79#define  FM_CODEC_CMD_VALID             0x0100
80#define  FM_CODEC_CMD_BUSY              0x0200
81
82#define FM_CODEC_DATA           0x2c
83
84#define FM_IO_CTL               0x52
85#define FM_CARD_CTL             0x54
86
87#define FM_INTMASK              0x56
88#define  FM_INTMASK_PLAY                0x0001
89#define  FM_INTMASK_REC                 0x0002
90#define  FM_INTMASK_VOL                 0x0040
91#define  FM_INTMASK_MPU                 0x0080
92
93#define FM_INTSTATUS            0x5a
94#define  FM_INTSTATUS_PLAY              0x0100
95#define  FM_INTSTATUS_REC               0x0200
96#define  FM_INTSTATUS_VOL               0x4000
97#define  FM_INTSTATUS_MPU               0x8000
98
99#define FM801_BUFFSIZE 1024*4	/* Other values do not work!!! */
100
101/* debug purposes */
102#define DPRINT	 if(0) printf
103
104/*
105static int fm801ch_setup(pcm_channel *c);
106*/
107
108static u_int32_t fmts[] = {
109	AFMT_U8,
110	AFMT_STEREO | AFMT_U8,
111	AFMT_S16_LE,
112	AFMT_STEREO | AFMT_S16_LE,
113	0
114};
115
116static pcmchan_caps fm801ch_caps = {
117	4000, 48000,
118	fmts, 0
119};
120
121struct fm801_info;
122
123struct fm801_chinfo {
124	struct fm801_info 	*parent;
125	pcm_channel 		*channel;
126	snd_dbuf 		*buffer;
127	u_int32_t 		spd, dir, fmt;	/* speed, direction, format */
128	u_int32_t		shift;
129};
130
131struct fm801_info {
132	int 			type;
133	bus_space_tag_t 	st;
134	bus_space_handle_t 	sh;
135	bus_dma_tag_t   	parent_dmat;
136
137	device_t 		dev;
138	int 			num;
139	u_int32_t 		unit;
140
141	struct resource 	*reg, *irq;
142	int             	regtype, regid, irqid;
143	void            	*ih;
144
145	u_int32_t		play_flip,
146				play_nextblk,
147				play_start,
148				play_blksize,
149				play_fmt,
150				play_shift,
151				play_size;
152
153	u_int32_t		rec_flip,
154				rec_nextblk,
155				rec_start,
156				rec_blksize,
157				rec_fmt,
158				rec_shift,
159				rec_size;
160
161	struct fm801_chinfo 	pch, rch;
162};
163
164/* Bus Read / Write routines */
165static u_int32_t
166fm801_rd(struct fm801_info *fm801, int regno, int size)
167{
168	switch(size) {
169	case 1:
170		return (bus_space_read_1(fm801->st, fm801->sh, regno));
171	case 2:
172		return (bus_space_read_2(fm801->st, fm801->sh, regno));
173	case 4:
174		return (bus_space_read_4(fm801->st, fm801->sh, regno));
175	default:
176		return 0xffffffff;
177	}
178}
179
180static void
181fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size)
182{
183	switch(size) {
184	case 1:
185		return bus_space_write_1(fm801->st, fm801->sh, regno, data);
186	case 2:
187		return bus_space_write_2(fm801->st, fm801->sh, regno, data);
188	case 4:
189		return bus_space_write_4(fm801->st, fm801->sh, regno, data);
190	default:
191		return;
192	}
193}
194
195/* -------------------------------------------------------------------- */
196/*
197 *  ac97 codec routines
198 */
199#define TIMO 50
200static int
201fm801_rdcd(kobj_t obj, void *devinfo, int regno)
202{
203	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
204	int i;
205
206	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
207		DELAY(10000);
208		DPRINT("fm801 rdcd: 1 - DELAY\n");
209	}
210	if (i >= TIMO) {
211		printf("fm801 rdcd: codec busy\n");
212		return 0;
213	}
214
215	fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2);
216
217	for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++)
218	{
219		DELAY(10000);
220		DPRINT("fm801 rdcd: 2 - DELAY\n");
221	}
222	if (i >= TIMO) {
223		printf("fm801 rdcd: write codec invalid\n");
224		return 0;
225	}
226
227	return fm801_rd(fm801,FM_CODEC_DATA,2);
228}
229
230static int
231fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
232{
233	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
234	int i;
235
236	DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data);
237/*
238	if(regno == AC97_REG_RECSEL)	return;
239*/
240	/* Poll until codec is ready */
241	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
242		DELAY(10000);
243		DPRINT("fm801 rdcd: 1 - DELAY\n");
244	}
245	if (i >= TIMO) {
246		printf("fm801 wrcd: read codec busy\n");
247		return -1;
248	}
249
250	fm801_wr(fm801,FM_CODEC_DATA,data, 2);
251	fm801_wr(fm801,FM_CODEC_CMD, regno,2);
252
253	/* wait until codec is ready */
254	for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
255		DELAY(10000);
256		DPRINT("fm801 wrcd: 2 - DELAY\n");
257	}
258	if (i >= TIMO) {
259		printf("fm801 wrcd: read codec busy\n");
260		return -1;
261	}
262	DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data);
263	return 0;
264}
265
266static kobj_method_t fm801_ac97_methods[] = {
267    	KOBJMETHOD(ac97_read,		fm801_rdcd),
268    	KOBJMETHOD(ac97_write,		fm801_wrcd),
269	{ 0, 0 }
270};
271AC97_DECLARE(fm801_ac97);
272
273/* -------------------------------------------------------------------- */
274
275/*
276 * The interrupt handler
277 */
278static void
279fm801_intr(void *p)
280{
281	struct fm801_info 	*fm801 = (struct fm801_info *)p;
282	u_int32_t       	intsrc = fm801_rd(fm801, FM_INTSTATUS, 2);
283	struct fm801_chinfo	*ch = &(fm801->pch);
284	snd_dbuf 		*b = ch->buffer;
285
286	DPRINT("\nfm801_intr intsrc 0x%x ", intsrc);
287	DPRINT("rp %d, rl %d, fp %d fl %d, size=%d\n",
288		b->rp,b->rl, b->fp,b->fl, b->blksz);
289
290	if(intsrc & FM_INTSTATUS_PLAY) {
291		fm801->play_flip++;
292		if(fm801->play_flip & 1) {
293			fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4);
294		} else
295			fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4);
296		chn_intr(fm801->pch.channel);
297	}
298
299	if(intsrc & FM_INTSTATUS_REC) {
300		fm801->rec_flip++;
301		if(fm801->rec_flip & 1) {
302			fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4);
303		} else
304			fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4);
305		chn_intr(fm801->rch.channel);
306	}
307
308	if ( intsrc & FM_INTSTATUS_MPU ) {
309		/* This is a TODOish thing... */
310		fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2);
311	}
312
313	if ( intsrc & FM_INTSTATUS_VOL ) {
314		/* This is a TODOish thing... */
315		fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2);
316	}
317
318	DPRINT("fm801_intr clear\n\n");
319	fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2);
320}
321
322/* -------------------------------------------------------------------- */
323/* channel interface */
324static void *
325fm801ch_init(kobj_t obj, void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
326{
327	struct fm801_info *fm801 = (struct fm801_info *)devinfo;
328	struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch;
329
330	DPRINT("fm801ch_init, direction = %d\n", dir);
331	ch->parent = fm801;
332	ch->channel = c;
333	ch->buffer = b;
334	ch->dir = dir;
335	if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, FM801_BUFFSIZE) == -1) return NULL;
336	return (void *)ch;
337}
338
339static int
340fm801ch_setformat(kobj_t obj, void *data, u_int32_t format)
341{
342	struct fm801_chinfo *ch = data;
343	struct fm801_info *fm801 = ch->parent;
344
345	DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format,
346		(format & AFMT_STEREO)?"stereo":"mono",
347		(format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit",
348		(format & AFMT_SIGNED)? "signed":"unsigned",
349		(format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" );
350
351	if(ch->dir == PCMDIR_PLAY) {
352		fm801->play_fmt =  (format & AFMT_STEREO)? FM_PLAY_STEREO : 0;
353		fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
354		return 0;
355	}
356
357	if(ch->dir == PCMDIR_REC ) {
358		fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0;
359		fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
360		return 0;
361	}
362
363	return 0;
364}
365
366struct {
367	int limit;
368	int rate;
369} fm801_rates[11] = {
370	{  6600,  5500 },
371	{  8750,  8000 },
372	{ 10250,  9600 },
373	{ 13200, 11025 },
374	{ 17500, 16000 },
375	{ 20500, 19200 },
376	{ 26500, 22050 },
377	{ 35000, 32000 },
378	{ 41000, 38400 },
379	{ 46000, 44100 },
380	{ 48000, 48000 },
381/* anything above -> 48000 */
382};
383
384static int
385fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed)
386{
387	struct fm801_chinfo *ch = data;
388	struct fm801_info *fm801 = ch->parent;
389	register int i;
390
391
392	for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ;
393
394	if(ch->dir == PCMDIR_PLAY) {
395		fm801->pch.spd = fm801_rates[i].rate;
396		fm801->play_shift = (i<<8);
397		fm801->play_shift &= FM_PLAY_RATE_MASK;
398	}
399
400	if(ch->dir == PCMDIR_REC ) {
401		fm801->rch.spd = fm801_rates[i].rate;
402		fm801->rec_shift = (i<<8);
403		fm801->rec_shift &= FM_REC_RATE_MASK;
404	}
405
406	ch->spd = fm801_rates[i].rate;
407
408	return fm801_rates[i].rate;
409}
410
411static int
412fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
413{
414	struct fm801_chinfo *ch = data;
415	struct fm801_info *fm801 = ch->parent;
416
417	if(ch->dir == PCMDIR_PLAY) {
418		if(fm801->play_flip) return fm801->play_blksize;
419		fm801->play_blksize = blocksize;
420	}
421
422	if(ch->dir == PCMDIR_REC) {
423		if(fm801->rec_flip) return fm801->rec_blksize;
424		fm801->rec_blksize = blocksize;
425	}
426
427	DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir);
428
429	return blocksize;
430}
431
432static int
433fm801ch_trigger(kobj_t obj, void *data, int go)
434{
435	struct fm801_chinfo *ch = data;
436	struct fm801_info *fm801 = ch->parent;
437	u_int32_t baseaddr = vtophys(sndbuf_getbuf(ch->buffer));
438	snd_dbuf *b = ch->buffer;
439	u_int32_t k1;
440
441	DPRINT("fm801ch_trigger go %d , ", go);
442	DPRINT("rp %d, rl %d, fp %d fl %d, dl %d, blksize=%d\n",
443		b->rp,b->rl, b->fp,b->fl, b->dl, b->blksz);
444
445	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) {
446		return 0;
447	}
448
449	if (ch->dir == PCMDIR_PLAY) {
450		if (go == PCMTRIG_START) {
451
452			fm801->play_start = baseaddr;
453			fm801->play_nextblk = fm801->play_start + fm801->play_blksize;
454			fm801->play_flip = 0;
455			fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2);
456			fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4);
457			fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4);
458			fm801_wr(fm801, FM_PLAY_CTL,
459					FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift,
460					2 );
461			} else {
462			fm801->play_flip = 0;
463			k1 = fm801_rd(fm801, FM_PLAY_CTL,2);
464			fm801_wr(fm801, FM_PLAY_CTL,
465				(k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
466				FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 );
467		}
468	} else if(ch->dir == PCMDIR_REC) {
469		if (go == PCMTRIG_START) {
470			fm801->rec_start = baseaddr;
471			fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize;
472			fm801->rec_flip = 0;
473			fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2);
474			fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4);
475			fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
476			fm801_wr(fm801, FM_REC_CTL,
477					FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift,
478					2 );
479			} else {
480			fm801->rec_flip = 0;
481			k1 = fm801_rd(fm801, FM_REC_CTL,2);
482			fm801_wr(fm801, FM_REC_CTL,
483				(k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
484				FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2);
485		}
486	}
487
488	return 0;
489}
490
491/* Almost ALSA copy */
492static int
493fm801ch_getptr(kobj_t obj, void *data)
494{
495	struct fm801_chinfo *ch = data;
496	struct fm801_info *fm801 = ch->parent;
497	int result = 0;
498	snd_dbuf *b = ch->buffer;
499
500	if (ch->dir == PCMDIR_PLAY) {
501		result = fm801_rd(fm801,
502			(fm801->play_flip&1) ?
503			FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start;
504	}
505
506	if (ch->dir == PCMDIR_REC) {
507		result = fm801_rd(fm801,
508			(fm801->rec_flip&1) ?
509			FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start;
510	}
511
512	DPRINT("fm801ch_getptr:%d,  rp %d, rl %d, fp %d fl %d\n",
513	                result, b->rp,b->rl, b->fp,b->fl);
514
515	return result;
516}
517
518static pcmchan_caps *
519fm801ch_getcaps(kobj_t obj, void *data)
520{
521	return &fm801ch_caps;
522}
523
524static kobj_method_t fm801ch_methods[] = {
525    	KOBJMETHOD(channel_init,		fm801ch_init),
526    	KOBJMETHOD(channel_setformat,		fm801ch_setformat),
527    	KOBJMETHOD(channel_setspeed,		fm801ch_setspeed),
528    	KOBJMETHOD(channel_setblocksize,	fm801ch_setblocksize),
529    	KOBJMETHOD(channel_trigger,		fm801ch_trigger),
530    	KOBJMETHOD(channel_getptr,		fm801ch_getptr),
531    	KOBJMETHOD(channel_getcaps,		fm801ch_getcaps),
532	{ 0, 0 }
533};
534CHANNEL_DECLARE(fm801ch);
535
536/* -------------------------------------------------------------------- */
537
538/*
539 *  Init routine is taken from an original NetBSD driver
540 */
541static int
542fm801_init(struct fm801_info *fm801)
543{
544	u_int32_t k1;
545
546	/* reset codec */
547	fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2);
548	DELAY(100000);
549	fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2);
550	DELAY(100000);
551
552	fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2);
553	fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2);
554	fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2);
555	fm801_wr(fm801, 0x40,0x107f,2);	/* enable legacy audio */
556
557	fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2);
558
559	/* Unmask playback, record and mpu interrupts, mask the rest */
560	k1 = fm801_rd((void *)fm801, FM_INTMASK,2);
561	fm801_wr(fm801, FM_INTMASK,
562		(k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
563		FM_INTMASK_VOL,2);
564	fm801_wr(fm801, FM_INTSTATUS,
565		FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
566		FM_INTSTATUS_VOL,2);
567
568	DPRINT("FM801 init Ok\n");
569	return 0;
570}
571
572static int
573fm801_pci_attach(device_t dev)
574{
575	u_int32_t 		data;
576	struct ac97_info 	*codec = 0;
577	struct fm801_info 	*fm801;
578	int 			i;
579	int 			mapped = 0;
580	char 			status[SND_STATUSLEN];
581
582	if ((fm801 = (struct fm801_info *)malloc(sizeof(*fm801),M_DEVBUF, M_NOWAIT)) == NULL) {
583		device_printf(dev, "cannot allocate softc\n");
584		return ENXIO;
585	}
586
587	bzero(fm801, sizeof(*fm801));
588	fm801->type = pci_get_devid(dev);
589
590	data = pci_read_config(dev, PCIR_COMMAND, 2);
591	data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
592	pci_write_config(dev, PCIR_COMMAND, data, 2);
593	data = pci_read_config(dev, PCIR_COMMAND, 2);
594
595	for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) {
596		fm801->regid = PCIR_MAPS + i*4;
597		fm801->regtype = SYS_RES_MEMORY;
598		fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
599						0, ~0, 1, RF_ACTIVE);
600		if(!fm801->reg)
601		{
602			fm801->regtype = SYS_RES_IOPORT;
603			fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
604						0, ~0, 1, RF_ACTIVE);
605		}
606
607		if(fm801->reg) {
608			fm801->st = rman_get_bustag(fm801->reg);
609			fm801->sh = rman_get_bushandle(fm801->reg);
610			mapped++;
611		}
612	}
613
614	if (mapped == 0) {
615		device_printf(dev, "unable to map register space\n");
616		goto oops;
617	}
618
619	fm801_init(fm801);
620
621	codec = AC97_CREATE(dev, fm801, fm801_ac97);
622	if (codec == NULL) goto oops;
623
624	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops;
625
626	fm801->irqid = 0;
627	fm801->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &fm801->irqid,
628				0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
629	if (!fm801->irq ||
630		bus_setup_intr(dev, fm801->irq, INTR_TYPE_TTY,
631					fm801_intr, fm801, &fm801->ih)) {
632		device_printf(dev, "unable to map interrupt\n");
633		goto oops;
634	}
635
636	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
637		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
638		/*highaddr*/BUS_SPACE_MAXADDR,
639		/*filter*/NULL, /*filterarg*/NULL,
640		/*maxsize*/FM801_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff,
641		/*flags*/0, &fm801->parent_dmat) != 0) {
642		device_printf(dev, "unable to create dma tag\n");
643		goto oops;
644	}
645
646	snprintf(status, 64, "at %s 0x%lx irq %ld",
647		(fm801->regtype == SYS_RES_IOPORT)? "io" : "memory",
648		rman_get_start(fm801->reg), rman_get_start(fm801->irq));
649
650#define FM801_MAXPLAYCH	1
651	if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops;
652	pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801);
653	pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801);
654	pcm_setstatus(dev, status);
655
656	return 0;
657
658oops:
659	if (codec) ac97_destroy(codec);
660	if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
661	if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih);
662	if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
663	if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat);
664	free(fm801, M_DEVBUF);
665	return ENXIO;
666}
667
668static int
669fm801_pci_detach(device_t dev)
670{
671	int r;
672	struct fm801_info *fm801;
673
674	DPRINT("Forte Media FM801 detach\n");
675
676	r = pcm_unregister(dev);
677	if (r)
678		return r;
679
680	fm801 = pcm_getdevinfo(dev);
681	bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
682	bus_teardown_intr(dev, fm801->irq, fm801->ih);
683	bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
684	bus_dma_tag_destroy(fm801->parent_dmat);
685	free(fm801, M_DEVBUF);
686	return 0;
687}
688
689static int
690fm801_pci_probe( device_t dev )
691{
692	int id;
693	if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) {
694		device_set_desc(dev, "Forte Media FM801 Audio Controller");
695		return 0;
696	}
697/*
698	if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) {
699		device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)");
700		return ENXIO;
701	}
702*/
703	return ENXIO;
704}
705
706static device_method_t fm801_methods[] = {
707	/* Device interface */
708	DEVMETHOD(device_probe,		fm801_pci_probe),
709	DEVMETHOD(device_attach,	fm801_pci_attach),
710	DEVMETHOD(device_detach,	fm801_pci_detach),
711	{ 0, 0}
712};
713
714static driver_t fm801_driver = {
715	"pcm",
716	fm801_methods,
717	sizeof(snddev_info),
718};
719
720static devclass_t pcm_devclass;
721
722DRIVER_MODULE(fm801, pci, fm801_driver, pcm_devclass, 0, 0);
723